A graph has quantity on the x-axis and price (dollars) on the y-axis. A demand line goes through (20, 60), (40, 45), (60, 30). A supply line goes through (20, 15), (30, 30), (40, 45), (60, 75), (70, 90). A store’s supply/demand graph for ceiling fans is shown above. If the price is at the equilibrium point, how much money will the store make selling ceiling fans? a. $4,500 b. $1,800 c. $1,200 d. $900

Which of the following describes one of the ways that the demographics of an area affect the price of housing in that area? a. when more people have children, their incomes tend to be higher and the housing prices are also higher. b. older people are more likely to stay in their houses, creating a seller's market that keeps prices low. c. an area with a lower population density won't have enough construction workers to build new houses quickly. d. an area with younger people will have a higher demand for rentals and a lower demand for buying.